Invited Talks -- The Search for Equilibrium Concepts -- Experimental Results on the Process of Goal Formation and Aspiration Adaptation -- Approximate Equilibria for Strategic Two Person Games -- Session 1: Routing and Scheduling I -- The Influence of Link Restrictions on (Random) Selfish Routing -- Congestion Games with Linearly Independent Paths: Convergence Time and Price of Anarchy -- The Price of Anarchy on Uniformly Related Machines Revisited -- Approximate Strong Equilibrium in Job Scheduling Games -- Session 2: Markets -- Bertrand Competition in Networks -- On the Approximability of Combinatorial Exchange Problems -- Window-Games between TCP Flows -- Price Variation in a Bipartite Exchange Network -- Session 3: Routing and Scheduling II -- Atomic Congestion Games: Fast, Myopic and Concurrent -- Frugal Routing on Wireless Ad-Hoc Networks -- Facets of the Fully Mixed Nash Equilibrium Conjecture -- Sensitivity of Wardrop Equilibria -- Session 4: Mechanism Design -- Prompt Mechanisms for Online Auctions -- A Truthful Mechanism for Offline Ad Slot Scheduling -- Alternatives to Truthfulness Are Hard to Recognize -- Distributed Algorithmic Mechanism Design and Algebraic Communication Complexity -- Session 5: Potpourri of Games -- The Price of Anarchy of a Network Creation Game with Exponential Payoff -- A Hierarchical Model for Cooperative Games -- Strategic Characterization of the Index of an Equilibrium -- The Local and Global Price of Anarchy of Graphical Games -- Session 6: Solution Concepts -- Approximate Nash Equilibria for Multi-player Games -- Subjective vs. Objective Reality — The Risk of Running Late -- On the Hardness and Existence of Quasi-Strict Equilibria -- The Price of Stochastic Anarchy -- Session 7: Cost Sharing -- Singleton Acyclic Mechanisms and Their Applications to Scheduling Problems -- Is Shapley Cost Sharing Optimal? -- Non-cooperative Cost Sharing Games Via Subsidies -- Group-Strategyproof Cost Sharing for Metric Fault Tolerant Facility Location -- Experimental Results on the Process of Goal Formation and Aspiration Adaptation.